Across
- 2. An animal with a backbone
- 6. chain A sequence showing who eats whom
- 7. An animal that is hunted by another animal
- 8. A feature that helps an organism survive
- 9. A struggle between organisms for resources
- 11. The science of naming and grouping living things
- 14. An organism that eats other organisms
- 15. A vertebrate that lives in water and breathes with gills
- 20. An organism that breaks down dead matter
- 21. The surroundings in which organisms live
- 23. A relationship where both organisms benefit
- 24. The natural home of an organism
- 26. The protection and management of natural environments
- 28. A warm-blooded animal with hair or fur
- 29. A cold-blooded animal with scales
Down
- 1. The process of grouping living things based on shared characteristics
- 3. A community of organisms and their environment
- 4. A non-living factor in an ecosystem
- 5. An animal that usually lives both in water and on land
- 7. An organism that makes its own food
- 10. The variety of living things in an area
- 12. All members of one species living in an area
- 13. An animal without a backbone
- 16. A living factor in an ecosystem
- 17. All populations living together in an area
- 18. An animal that hunts other animals
- 19. A feathered animal that lays eggs
- 22. A living thing
- 25. web A network of connected food chains
- 27. A group of organisms that can reproduce together